286 CLVi. CYPERACEiE (clarke) [KylUnga. 



with short very contiguous cilia coalescing almost into a wing in the 

 lower half. Nut J as long as glume, ellipsoid, quite black. 



Mozaxnb. Sist. British Central Africa : Nyasaland, Buchanan, 1428 ! 



34. K. exigua, Boeck. in Ahhandl. Naturw. Ver. Bremen, vii. 3G. 

 Stems 2-10 in. long, with basal bulbs \ in. in diam., woody, and also 

 sometimes throwing out very slender stolons 2 in. long and hardly ^jj in. 

 in diam. Leaves often as long as the stem, J^ i"- broad. Head of 3-1 

 straw-coloured spikes ; bracts 3, lowest 2 in. long, similar to the leaves. 

 Spikes J in. in diam., ovoid, dense. Spikelets --^ in. long, 2-3-flowered. 

 Nut-bearing glume ovate, acute, obscurely ribbed ; keel wingless, 

 smooth green. Nut not seen. — C. B. Clarke in Durand & Schinz, 

 Conspect. Fl. Afr. v. 529. 



irile Iiand. Somaliland, Donaldson Smith ! 



Also in the Masearene Islands. 



Boeckeler's description of this species was drawn up from depauperated examples. 



35. K. albiceps, Bendlt in Cat. Afr. PI. Welw. ii. lOG. Stem 4-9 

 in. long, rather slender, solitary, bulbous at the base ; sometimes with 

 very slender stolons hardening into rhizomes 2J in. long, less than ^ij 

 in. broad. Leaves usually much shorter than the stem, \-\ in. broad. 

 Head of 3-1 (mostly 3) spikes, dusky straw-coloured ; bracts 3, lowest 

 2 in. long, similar to the leaves. Middle spike ovoid, \-\ in. long, 

 dense. Spikelets \ in. long, each perfecting 2-5 nuts. Nut-bearing 

 glume ovate, scarcely acute, obscurely ribbed, usually with sunk round 

 red or blackish glands ; keel wingless, smooth. E-Ipe nut not seen. — 

 K. macrocephala, var. cmgustior, 0. B. Clarke in Durand & Schinz, 

 Conspect. Fl. Afr. v. 529 ; Durand & Schinz, Etudes FL Congo, i. 279. 

 Cyperas albiceps, Ridley in Journ. Bot. 1884, 16. 



Upper Guinea. Niger Territory : Old Calabar, Eobb ! Holland, 50 ! 

 Cameroons : Rio del Kej', Johnston ! 



Wile Ziand. British East Africa : Ruwenzori, 5000 ft., Scott-Elliot, 7626 ! 



ZiO-wer Guinea. Lower Congo, Smith ! Stanley Pool, 900 ft.. Hens, B, 14 

 Kisantu, on the Inkissi River, Gillet, 442 ! Angola : Pungo Andongo ; in the Praj- 

 sidium, Welwitsch, 6796 partly ! 



South Central. Congo Free State : Mzona, Bescamps ! Albertville, near 

 Tanganyika, ^wt/ / 



nSozamb. Sist. Lake Tanganyika, Storms ! British Ceatral Africa : Nyasa- 

 land ; in shallow pools by the River Nsessi, Scott ! 



This differs very little from K. macrocephala, A. Rich., but by the slenderer 

 stems. The glands in the glumes are usually very prominent in K. albiceps, but 

 sometimes they are very few. Scott-Elliot, 7626, has much smaller heads and 

 spikelets than the type form. 



36. K. macrocephala, A. Rich. Tent. Fl. Abyss, ii. 491. Stem 

 8-12 in. long, stout, at the base decumbent for 0-1 J in. ; basal sheaths 

 not torn. Leaves § the length of the stem, i-i in, broad. Head of 

 3-1 spikes, large, straw-coloured ; bracts 3-5, lowest 3 in. long, similar 



